A dominant fem dom uses her powerful kicks and slaps to test the limits of her submissive gay partner's endurance. She demands a handjob while mercilessly attacking his balls, making him whimper and squirm in pain. The scene intensifies as she starts kneeing and stomping on his nuts, causing them to swell and turn a deep purple. The submissive, despite the agony, maintains his erection, pleasing his mistress and earning a brutal testicle popping finale.